//
//  NSString+extention.m
//  oc_8
//
//  Created by 楼楚 on 15/9/11.
//  Copyright (c) 2015年 Chu Lou. All rights reserved.
//

#import "NSString+extention.h"

@implementation NSString (extention)
+ (id)returnAConstString
{
    return @"这是字符串类别";
}
@end
